[LTP] [PATCH] syscalls/openat01: Convert into new api

liaohj.jy@fujitsu.com liaohj.jy@fujitsu.com
Wed Aug 17 10:35:58 CEST 2022


Hi Avinesh

> Hi,
> 
> On Tuesday, August 16, 2022 1:27:02 PM IST Liao Huangjie wrote:
>> From: Huangjie Liao <liaohj.jy@fujitsu.com>
>>
>> Signed-off-by: Huangjie Liao <liaohj.jy@fujitsu.com>
>> ---
>>   testcases/kernel/syscalls/openat/openat01.c | 145 ++++++++++------------------
>>   1 file changed, 51 insertions(+), 94 deletions(-)
>>
>> diff --git a/testcases/kernel/syscalls/openat/openat01.c b/testcases/kernel/syscalls/openat/openat01.c
>> index daed419..25b3f83 100644
>> --- a/testcases/kernel/syscalls/openat/openat01.c
>> +++ b/testcases/kernel/syscalls/openat/openat01.c
>> @@ -1,55 +1,30 @@
>> -/******************************************************************************
>> +// SPDX-License-Identifier: GPL-2.0-or-later
>> +/*
>> + * Copyright (c) 2022 FUJITSU LIMITED. ALL Rights Reserved.
>> + * Author: Huangjie Liao <liaohj.jy@fujitsu.com>
>> + */
>> +
>> +/*\
>> + * [Description]
>>    *
>> - * Copyright (c) International Business Machines  Corp., 2006
>> - *  Author: Yi Yang <yyangcdl@cn.ibm.com>
>> - * Copyright (c) Cyril Hrubis 2014 <chrubis@suse.cz>
> Old copyrights should not be removed.

OK.
> 
>> - *
>> - * This program is free software;  you can redistribute it and/or modify
>> - * it under the terms of the GNU General Public License as published by
>> - * the Free Software Foundation; either version 2 of the License, or
>> - * (at your option) any later version.
>> - *
>> - * This program is distributed in the hope that it will be useful,
>> - * but WITHOUT ANY WARRANTY;  without even the implied warranty of
>> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
>> - * the GNU General Public License for more details.
>> - *
>> - * You should have received a copy of the GNU General Public License
>> - * along with this program;  if not, write to the Free Software Foundation,
>> - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>> - *
>> - * DESCRIPTION
>> - *  This test case will verify basic function of openat
>> - *  added by kernel 2.6.16 or up.
>> - *
>> - *****************************************************************************/
>> -
>> + * This test case will verify basic function of openat
>> + */
>>   #define _GNU_SOURCE
>> -
>>   #include <sys/types.h>
>>   #include <sys/stat.h>
>>   #include <stdlib.h>
>>   #include <errno.h>
>>   #include <string.h>
>> -#include <signal.h>
>> -
>> -#include "test.h"
>> -#include "safe_macros.h"
>> -#include "lapi/fcntl.h"
>> -#include "openat.h"
>> -
>> -static void setup(void);
>> -static void cleanup(void);
>> +#include <stdio.h>
>> +#include "tst_test.h"
>> +#include "tst_safe_macros.h"
> we can get rid of more headers, which are either unnecessary or
> get included recursively from tst_test.h

Will remove.
> 
>>   
>> -char *TCID = "openat01";
>> +#define TEST_FILE "test_file"
>> +#define TEST_DIR "test_dir/"
>>   
>>   static int dir_fd, fd;
>>   static int fd_invalid = 100;
>>   static int fd_atcwd = AT_FDCWD;
>> -
>> -#define TEST_FILE "test_file"
>> -#define TEST_DIR "test_dir/"
>> -
>>   static char glob_path[256];
>>   
>>   static struct test_case {
>> @@ -65,80 +40,62 @@ static struct test_case {
>>   	{&fd_atcwd, TEST_DIR TEST_FILE, 0, 0}
>>   };
>>   
>> -int TST_TOTAL = ARRAY_SIZE(test_cases);
>> -
>> -static void verify_openat(struct test_case *test)
>> +static void verify_openat(unsigned int n)
>>   {
>> -	TEST(openat(*test->dir_fd, test->pathname, O_RDWR, 0600));
>> -
>> -	if ((test->exp_ret == -1 && TEST_RETURN != -1) ||
>> -	    (test->exp_ret == 0 && TEST_RETURN < 0)) {
>> -		tst_resm(TFAIL | TTERRNO,
>> -		         "openat() returned %ldl, expected %d",
>> -			 TEST_RETURN, test->exp_ret);
>> +	struct test_case *tc = &test_cases[n];
>> +
>> +	TEST(openat(*tc->dir_fd, tc->pathname, O_RDWR, 0600));
>> +	
>> +	if ((tc->exp_ret == -1 && TST_RET != -1) ||
>> +	    (tc->exp_ret == 0 && TST_RET < 0)) {
>> +		tst_res(TFAIL | TTERRNO,
>> +		         "openat() returned %ld, expected %d",
>> +			 TST_RET, tc->exp_ret);
>>   		return;
>>   	}
> Test scenarios in this function should be changed to use TST_EXP_*() macro.
> See examples at: https://github.com/linux-test-project/ltp/wiki/C-Test-API

Will use TST_EXP_*() macro.
>> +	
>> +	if (TST_RET > 0)
>> +		SAFE_CLOSE(TST_RET);
>>   
>> -	if (TEST_RETURN > 0)
>> -		SAFE_CLOSE(cleanup, TEST_RETURN);
>> -
>> -	if (TEST_ERRNO != test->exp_errno) {
>> -		tst_resm(TFAIL | TTERRNO,
>> +	if (TST_ERR != tc->exp_errno) {
>> +		tst_res(TFAIL | TTERRNO,
>>   		         "openat() returned wrong errno, expected %s(%d)",
>> -			 tst_strerrno(test->exp_errno), test->exp_errno);
>> +			 tst_strerrno(tc->exp_errno), tc->exp_errno);
>>   		return;
>>   	}
>>   
>> -	tst_resm(TPASS | TTERRNO, "openat() returned %ld", TEST_RETURN);
>> -}
>> -
>> -int main(int ac, char **av)
>> -{
>> -	int lc;
>> -	int i;
>> -
>> -	tst_parse_opts(ac, av, NULL, NULL);
>> -
>> -	setup();
>> -
>> -	for (lc = 0; TEST_LOOPING(lc); lc++) {
>> -		tst_count = 0;
>> -
>> -		for (i = 0; i < TST_TOTAL; i++)
>> -			verify_openat(test_cases + i);
>> -	}
>> -
>> -	cleanup();
>> -	tst_exit();
>> +	if (tc->exp_ret)
>> +		tst_res(TPASS | TTERRNO, "openat failed as expected");
>> +	else
>> +		tst_res(TPASS, "openat succeeded as expected");
>>   }
>>   
>>   static void setup(void)
>>   {
>>   	char *tmpdir;
>>   
>> -	tst_sig(NOFORK, DEF_HANDLER, cleanup);
>> -
>> -	tst_tmpdir();
>> -
>> -	SAFE_MKDIR(cleanup, TEST_DIR, 0700);
>> -	dir_fd = SAFE_OPEN(cleanup, TEST_DIR, O_DIRECTORY);
>> -	fd = SAFE_OPEN(cleanup, TEST_DIR TEST_FILE, O_CREAT | O_RDWR, 0600);
>> +	SAFE_MKDIR(TEST_DIR, 0700);
>> +	dir_fd = SAFE_OPEN(TEST_DIR, O_DIRECTORY);
>> +	fd = SAFE_OPEN(TEST_DIR TEST_FILE, O_CREAT | O_RDWR, 0600);
>>   
>>   	tmpdir = tst_get_tmpdir();
> this also should be removed along with tst_tmpdir().
>  From the above documentation link:
> "If .needs_tmpdir is set to 1 in the struct tst_test unique test temporary
> is created and it’s set as the test working directory."

OK, will use SAFE_GETCWD.

Best Regards
Huangjie
>>   	snprintf(glob_path, sizeof(glob_path), "%s/" TEST_DIR TEST_FILE,
>> -	         tmpdir);
>> +				tmpdir);
>>   	free(tmpdir);
>> -
>> -	TEST_PAUSE;
>>   }
>>   
>>   static void cleanup(void)
>>   {
>> -	if (fd > 0 && close(fd))
>> -		tst_resm(TWARN | TERRNO, "close(fd) failed");
>> -
>> -	if (dir_fd > 0 && close(dir_fd))
>> -		tst_resm(TWARN | TERRNO, "close(dir_fd) failed");
>> -
>> -	tst_rmdir();
>> +	if (fd > 0)
>> +		SAFE_CLOSE(fd);
>> +	if (dir_fd > 0)
>> +		SAFE_CLOSE(dir_fd);
>>   }
>> +
>> +static struct tst_test test = {
>> +	.setup = setup,
>> +	.cleanup = cleanup,
>> +	.test = verify_openat,
>> +	.tcnt = ARRAY_SIZE(test_cases),
>> +	.needs_tmpdir = 1,
>> +};
>>
> 
> Regards,
> Avinesh
> 
> 
> 
> 


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